using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Web;
using System.Configuration;
namespace BLL
{
public class IPLocationSearch
{
private static readonly QQWry qq = new QQWry(ConfigurationManager.AppSettings["ip"] + "qqwry.dat");
public static IPLocation GetIPLocation(string ip)
{
return qq.SearchIPLocation(ip);
}
}
/*
使用方法:
例子:
BDQQ.Data.QQWry qq=new BDQQ.Data.QQWry("d:""QQWry.Dat");
BDQQ.Data.IPLocation ip=qq.SearchIPLocation("127.0.0.1");//这里添写IP地址
Console.WriteLine(ip.country);//国家
Console.WriteLine(ip.area);//地区
*/
//以下是类文件
//根据LumaQQ改写而成.
/**/
///<summary>
/// QQWry 的摘要说明。
///</summary>
public class QQWry
{
//第一种模式
#region 第一种模式
/**/
///<summary>
///第一种模式
///</summary>
#endregion
private const byte REDIRECT_MODE_1 = 0x01;
//第二种模式
#region 第二种模式
/**/
///<summary>
///第二种模式
///</summary>
#endregion
private const byte REDIRECT_MODE_2 = 0x02;
//每条记录长度
#region 每条记录长度
/**/
///<summary>
///每条记录长度
///</summary>
#endregion
private const int IP_RECORD_LENGTH = 7;
//数据库文件
#region 数据库文件
/**/
///<summary>
///文件对象
///</summary>
#endregion
private FileStream ipFile;
private const string unCountry = "未知国家";
private const string unArea = "未知地区";
//索引开始位置
#region 索引开始位置
/**/
///<summary>
///索引开始位置
///</summary>
#endregion
private long ipBegin;
//索引结束位置
#region 索引结束位置
/**/
///<summary>
///索引结束位置
///</summary>
#endregion
private long ipEnd;
//IP地址对象
#region IP地址对象
/**/
///<summary>
/// IP对象
///</summary>
#endregion
private IPLocation loc;
//存储文本内容
#region 存储文本内容
/**/
///<summary>
///存储文本内容
///</summary>
#endregion
private byte[] buf;
//存储3字节
#region 存储3字节
/**/
///<summary>
///存储3字节
///</summary>
#endregion
private byte[] b3;
//存储4字节
#region 存储4字节
/**/
///<summary>
///存储4字节IP地址
///</summary>
#endregion
private byte[] b4;
//构造函数
#region 构造函数
/**/
///<summary>
///构造函数
///</summary>
///<param name="ipfile">IP数据库文件绝对路径</param>
#endregion
public QQWry(string ipfile)
{
buf = new byte[100];
b3 = new byte[3];
b4 = new byte[4];
try
{
ipFile = new FileStream(ipfile, FileMode.Open);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
ipBegin = readLong4(0);
ipEnd = readLong4(4);
loc = new IPLocation();
}
//根据IP地址搜索
#region 根据IP地址搜索
/**/
///<summary>
///搜索IP地址搜索
///</summary>
///<param name="ip"></param>
///<returns></returns>
#endregion
public IPLocation SearchIPLocation(string ip)
{
//将字符IP转换为字节
string[] ipSp = ip.Split('.');
if (ipSp.Length != 4)
{
throw new ArgumentOutOfRangeException("不是合法的IP地址!");
}
byte[] IP = new byte[4];
for (int i = 0; i < IP.Length; i++)
{
IP[i] = (byte)(Int32.Parse(ipSp[i]) & 0xFF);
}
IPLocation local = null;
long offset = locateIP(IP);
if (offset != -1)
{
local = getIPLocation(offset);
}
if (local == null)
{
local = new IPLocation();
local.area = unArea;
local.country = unCountry;
}
return local;
}
//取得具体信息
#region 取得具体信息
/**/
///<summary>
///取得具体信息
///</summary>
///<param name="offset"></param>
///<returns></returns>
#endregion
private IPLocation getIPLocation(long offset)
{
ipFile.Position = offset + 4;
//读取第一个字节判断是否是标志字节
byte one = (byte)ipFile.ReadByte();
if (one == REDIRECT_MODE_1)
{
//第一种模式
//读取国家偏移
long countryOffset = readLong3();
//转至偏移处
ipFile.Position = countryOffset;
//再次检查标志字节
byte b = (byte)ipFile.ReadByte();
if (b == REDIRECT_MODE_2)
{
loc.country = readString(readLong3());
ipFile.Position = countryOffset + 4;
}
else
loc.country = readString(countryOffset);
//读取地区标志
loc.area = readArea(ipFile.Position);
}
else if (one == REDIRECT_MODE_2)
{
//第二种模式
loc.country = readString(readLong3());
loc.area = readArea(offset + 8);
}
else
{
//普通模式
loc.country = readString(--ipFile.Position);
loc.area = readString(ipFile.Position);
}
return loc;
}
//取得地区信息
#region 取得地区信息
/**/
///<summary>
///读取地区名称
///</summary>
///<param name="offset"></param>
///<returns></returns>
#endregion
private string readArea(long offset)
{
ipFile.Position = offset;
byte one = (byte)ipFile.ReadByte();
if (one == REDIRECT_MODE_1 || one == REDIRECT_MODE_2)
{
long areaOffset = readLong3(offset + 1);
if (areaOffset == 0)
return unArea;
else
{
return readString(areaOffset);
}
}
else
{
return readString(offset);
}
}
//读取字符串
#region 读取字符串
/**/
///<summary>
///读取字符串
///</summary>
///<param name="offset"></param>
///<returns></returns>
#endregion
private string readString(long offset)
{
ipFile.Position = offset;
int i = 0;
for (i = 0, buf[i] = (byte)ipFile.ReadByte(); buf[i] != (byte)(0); buf[++i] = (byte)ipFile.ReadByte()) ;
if (i > 0)
return Encoding.Default.GetString(buf, 0, i);
else
return "";
}
//查找IP地址所在的绝对偏移量
#region 查找IP地址所在的绝对偏移量
/**/
///<summary>
///查找IP地址所在的绝对偏移量
///</summary>
///<param name="ip"></param>
///<returns></returns>
#endregion
private long locateIP(byte[] ip)
{
long m = 0;
int r;
//比较第一个IP项
readIP(ipBegin, b4);
r = compareIP(ip, b4);
if (r == 0)
return ipBegin;
else if (r < 0)
return -1;
//开始二分搜索
for (long i = ipBegin, j = ipEnd; i < j; )
{
m = this.getMiddleOffset(i, j);
readIP(m, b4);
r = compareIP(ip, b4);
if (r > 0)
i = m;
else if (r < 0)
{
if (m == j)
{
j -= IP_RECORD_LENGTH;
m = j;
}
else
{
j = m;
}
}
else
return readLong3(m + 4);
}
m = readLong3(m + 4);
readIP(m, b4);
r = compareIP(ip, b4);
if (r <= 0)
return m;
else
return -1;
}
//读出4字节的IP地址
#region 读出4字节的IP地址
/**/
///<summary>
///从当前位置读取四字节,此四字节是IP地址
///</summary>
///<param name="offset"></param>
///<param name="ip"></param>
#endregion
private void readIP(long offset, byte[] ip)
{
ipFile.Position = offset;
ipFile.Read(ip, 0, ip.Length);
byte tmp = ip[0];
ip[0] = ip[3];
ip[3] = tmp;
tmp = ip[1];
ip[1] = ip[2];
ip[2] = tmp;
}
//比较IP地址是否相同
#region 比较IP地址是否相同
/**/
///<summary>
///比较IP地址是否相同
///</summary>
///<param name="ip"></param>
///<param name="beginIP"></param>
///<returns>0:相等,1:ip大于beginIP,-1:小于</returns>
#endregion
private int compareIP(byte[] ip, byte[] beginIP)
{
for (int i = 0; i < 4; i++)
{
int r = compareByte(ip[i], beginIP[i]);
if (r != 0)
return r;
}
return 0;
}
//比较两个字节是否相等
#region 比较两个字节是否相等
/**/
///<summary>
///比较两个字节是否相等
///</summary>
///<param name="bsrc"></param>
///<param name="bdst"></param>
///<returns></returns>
#endregion
private int compareByte(byte bsrc, byte bdst)
{
if ((bsrc & 0xFF) > (bdst & 0xFF))
return 1;
else if ((bsrc ^ bdst) == 0)
return 0;
else
return -1;
}
//根据当前位置读取4字节
#region 根据当前位置读取4字节
/**/
///<summary>
///从当前位置读取4字节,转换为长整型
///</summary>
///<param name="offset"></param>
///<returns></returns>
#endregion
private long readLong4(long offset)
{
long ret = 0;
ipFile.Position = offset;
ret |= (ipFile.ReadByte() & 0xFF);
ret |= ((ipFile.ReadByte() << 8) & 0xFF00);
ret |= ((ipFile.ReadByte() << 16) & 0xFF0000);
ret |= ((ipFile.ReadByte() << 24) & 0xFF000000);
return ret;
}
//根据当前位置,读取3字节
#region 根据当前位置,读取3字节
/**/
///<summary>
///根据当前位置,读取3字节
///</summary>
///<param name="offset"></param>
///<returns></returns>
#endregion
private long readLong3(long offset)
{
long ret = 0;
ipFile.Position = offset;
ret |= (ipFile.ReadByte() & 0xFF);
ret |= ((ipFile.ReadByte() << 8) & 0xFF00);
ret |= ((ipFile.ReadByte() << 16) & 0xFF0000);
return ret;
}
//从当前位置读取3字节
#region 从当前位置读取3字节
/**/
///<summary>
///从当前位置读取3字节
///</summary>
///<returns></returns>
#endregion
private long readLong3()
{
long ret = 0;
ret |= (ipFile.ReadByte() & 0xFF);
ret |= ((ipFile.ReadByte() << 8) & 0xFF00);
ret |= ((ipFile.ReadByte() << 16) & 0xFF0000);
return ret;
}
//取得begin和end之间的偏移量
#region 取得begin和end之间的偏移量
/**/
///<summary>
///取得begin和end中间的偏移
///</summary>
///<param name="begin"></param>
///<param name="end"></param>
///<returns></returns>
#endregion
private long getMiddleOffset(long begin, long end)
{
long records = (end - begin) / IP_RECORD_LENGTH;
records >>= 1;
if (records == 0)
records = 1;
return begin + records * IP_RECORD_LENGTH;
}
} //class QQWry
public class IPLocation
{
public String country;
public String area;
public IPLocation()
{
country = area = "";
}
public IPLocation getCopy()
{
IPLocation ret = new IPLocation();
ret.country = country;
ret.area = area;
return ret;
}
}
}
/******************************************************************
** File Name:IPExport.cs
** Copyright (c) 2004-2005 PPTech Studio(PPTech.Net)
** Creater:Rexsp(MSN:yubo@x263.net)
** Create Date:2004-12-29 20:10:28
** Modifier:
** Modify Date:
** Description:to export the ip location from qqwry.dat
** Version: IPExport 1.0.0
******************************************************************/
using System;
using System.Collections;
using System.Data;
using System.IO;
namespace PPTech.ESP.Component
{
/// <summary>
/// ExportData 的摘要说明。
/// </summary>
public class IPExport
{
#region 私有成员
private string country;
private string local;
private FileStream objfs = null;
private long startIp=0;
private long endIp=0;
private int countryFlag=0;
private long endIpOff=0;
#endregion
#region 构造函数
public IPExport()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
#endregion
#region 导出数据
public void SaveToText(string toFilePath,string fromFilePath)
{
objfs = new FileStream(fromFilePath, FileMode.Open, FileAccess.Read);
objfs.Position=0;
byte[] buff1 = new Byte[8] ;
objfs.Read(buff1,0,8);
int firstStartIp=buff1[0]+buff1[1]*256+buff1[2]*256*256+buff1[3]*256*256*256;
int lastStartIp=buff1[4]*1+buff1[5]*256+buff1[6]*256*256+buff1[7]*256*256*256;
long recordCount=Convert.ToInt64((lastStartIp-firstStartIp)/7.0);
if(recordCount<=1)
{
country="FileDataError";
objfs.Close();
}
long rangE=recordCount;
StreamWriter writer=File.AppendText(toFilePath);
for(int i=0;i<=recordCount;i++)
{
long offSet = firstStartIp+i*7;
objfs.Position=offSet;
byte [] buff = new Byte[7];
objfs.Read(buff,0,7);
endIpOff=Convert.ToInt64(buff[4].ToString())+Convert.ToInt64(buff[5].ToString())*256+Convert.ToInt64(buff[6].ToString())*256*256;
startIp=Convert.ToInt64(buff[0].ToString())+Convert.ToInt64(buff[1].ToString())*256+Convert.ToInt64(buff[2].ToString())*256*256+Convert.ToInt64(buff[3].ToString())*256*256*256;
objfs.Position=endIpOff;
byte [] buff3 = new Byte[5];
objfs.Read(buff3,0,5);
this.endIp=Convert.ToInt64(buff3[0].ToString())+Convert.ToInt64(buff3[1].ToString())*256+Convert.ToInt64(buff3[2].ToString())*256*256+Convert.ToInt64(buff3[3].ToString())*256*256*256;
this.countryFlag=buff3[4];
string showIP=this.IntToIP(startIp);
this.GetCountry();
writer.WriteLine(showIP+" "+this.country+this.local);
}
writer.Close();
}
#endregion
#region int转换成IP
private string IntToIP(long ip_Int)
{
long seg1=(ip_Int&0xff000000)>>24;
if(seg1<0)
seg1+=0x100;
long seg2=(ip_Int&0x00ff0000)>>16;
if(seg2<0)
seg2+=0x100;
long seg3=(ip_Int&0x0000ff00)>>8;
if(seg3<0)
seg3+=0x100;
long seg4=(ip_Int&0x000000ff);
if(seg4<0)
seg4+=0x100;
string ip=seg1.ToString()+"."+seg2.ToString()+"."+seg3.ToString()+"."+seg4.ToString();
return ip;
}
#endregion
#region 获取国家/区域偏移量
private string GetCountry()
{
switch(this.countryFlag)
{
case 1:
case 2:
this.country=GetFlagStr(this.endIpOff+4);
this.local=( 1 == this.countryFlag )?" ":this.GetFlagStr(this.endIpOff+8);
break;
default:
this.country=this.GetFlagStr(this.endIpOff+4);
this.local=this.GetFlagStr(objfs.Position);
break;
}
return " ";
}
#endregion
#region 获取国家/区域字符串
private string GetFlagStr(long offSet)
{
int flag=0;
byte [] buff = new Byte[3];
while(1==1)
{
//objfs.Seek(offSet,SeekOrigin.Begin);
objfs.Position=offSet;
flag = objfs.ReadByte();
if(flag==1||flag==2)
{
objfs.Read(buff,0,3);
if(flag==2)
{
this.countryFlag=2;
this.endIpOff=offSet-4;
}
offSet=Convert.ToInt64(buff[0].ToString())+Convert.ToInt64(buff[1].ToString())*256+Convert.ToInt64(buff[2].ToString())*256*256;
}
else
{
break;
}
}
if(offSet<12)
return " ";
objfs.Position=offSet;
return GetStr();
}
#endregion
#region GetStr
private string GetStr()
{
byte lowC=0;
byte upC=0;
string str="";
byte[] buff = new byte[2];
while(1==1)
{
lowC= (Byte)objfs.ReadByte();
if(lowC==0)
break;
if(lowC>127)
{
upC=(byte)objfs.ReadByte();
buff[0]=lowC;
buff[1]=upC;
System.Text.Encoding enc = System.Text.Encoding.GetEncoding("GB2312");
str+=enc.GetString(buff);
}
else
{
str+=(char)lowC;
}
}
return str;
}
#endregion
}
}
调用方式：
#region 测试导出IP地址库
IPExport exp = new IPExport();
string toFile = @""D:""Work""PPTechStudio""ip.txt"";
string fromFile=@""E:""个人资料""IMTools""QQwryUpdate""QQWry.Dat"";
exp.SaveToText(toFile,fromFile);
#endregion